Home / 7,990.58-11,027.06-4,454.02

Finding the Fourth Proportional to 7,990.58, 11,027.06 and 4,454.02

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Solution

The fourth proportional to 7,990.58, 11,027.06 and 4,454.02 is: 6,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.58 : 11,027.06 = 4,454.02 : x
  2. Step 2: Convert to fraction form
    7,990.58/11,027.06 = 4,454.02/x
  3. Step 3: Cross multiply
    7,990.58x = 11,027.06 × 4,454.02
  4. Step 4: Simplify right side
    7,990.58x = 49,114,695.94
  5. Step 5: Solve for x
    x = 49,114,695.94/7,990.58
  6. Step 6: Final answer
    x = 6,146.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.